Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11027232 | Methods for producing ozone | Frank R. Fitch | 2021-06-08 |
| 10695710 | Methods for producing ozone and oxygen mixtures | Frank R. Fitch, Ravi Subramanian | 2020-06-30 |
| 10299539 | Connectable drawstrings with insertion tool | — | 2019-05-28 |